Kansas Gunshop is a Wichita, KS-based retailer specializing in tactical shotguns. The Benelli M4 H2O Tactical Titanium Cerakote 12 Gauge 3in is a corrosion-resistant combat shotgun with military-grade finish. Built for harsh environments with Benelli’s legendary reliability. Available now for $499.00 with same-day shipping from Kansas.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
| Product Type | Tactical Shotgun |
|---|---|
| Gauge | 12 |
| Barrel Length | 18.5″ |
| Chamber | 3″ |
| Finish | Titanium Cerakote |
| Action | Semi-Automatic |
| Capacity | 5+1 |
| Stock | Pistol Grip |
| Weight | 7.8 lbs |
| Overall Length | 40″ |
| Country of Origin | USA |
Key Features
- Military-grade Titanium Cerakote finish withstands saltwater and harsh conditions
- Benelli’s patented auto-regulating gas-operated (ARGO) system
- Ghost ring rear sight with tritium front post
- Collapsible stock with pistol grip (LE/military configuration)
- Chrome-lined barrel for corrosion resistance
Pros & Cons
Pros:
- ✅ Extreme corrosion resistance – ideal for marine/coastal use
- ✅ Proven combat reliability – USMC-approved design
- ✅ Low-maintenance gas system runs clean
- ✅ 3″ chamber handles all 12ga loads
- ✅ Collapsible stock for compact storage
Cons:
- ❌ Heavy compared to polymer shotguns (7.8 lbs)
- ❌ Limited aftermarket support for H2O model
- ❌ Premium price point for finish upgrade
Who Should Buy This
Buy it if:
- You need a saltwater-resistant tactical shotgun
- You prefer military-proven designs
- You want the durability of Cerakote without refinishing
Skip it if:
- You want a lightweight hunting shotgun
- You prefer traditional blued finishes
- Budget is under $400 (see our other tactical shotguns)
FAQ
Is the Benelli M4 H2O worth the premium over standard models?
For marine/coastal use or extreme environments, yes – the Titanium Cerakote provides corrosion resistance that justifies the cost. For range use only, the standard finish may suffice.
Does this come with any accessories?
Includes one 5-round magazine tube. Does not include sling, optics, or additional chokes (fixed cylinder bore).
Can I use 3.5″ shells?
No – this model is chambered for 2.75″ and 3″ shells only.
Where can I buy Benelli shotguns online?
Kansas Gunshop (kansas-gunshop.com) is an authorized Benelli dealer with same-day shipping from Wichita, KS.
Is the collapsible stock adjustable?
Yes – features 3-position adjustment like military M1014 models.
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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